clarified persistent values: Command.Results does not suitable for caching, because it contains all other messages;
(* Title: HOL/Library/Code_Target_Numeral.thy
Author: Florian Haftmann, TU Muenchen
*)
section \<open>Implementation of natural and integer numbers by target-language integers\<close>
theory Code_Target_Numeral
imports Code_Target_Int Code_Target_Nat
begin
end